1William Duncanson to Thomas Jefferson, 5 August 1816 (Jefferson Papers)
I trust you will excuse the liberty I take of thus addressing you nor would have taken Such a liberty, but well knowing that the warmest friendship at all times Subsisted between yourself and my late Uncle William Mayne Duncanson have taken this method therfrom of Seeking your friendship for myself & family as well as thre fine Children of my Uncle’s whom I have taken under my Charge to assist...